content: package org.alien4cloud.tosca.editor.processors.relationshiptemplate.inputs;
  
  import static alien4cloud.utils.AlienUtils.getOrFail;
  
  import java.util.Arrays;
  
  import org.alien4cloud.tosca.editor.EditionContextManager;
  import org.alien4cloud.tosca.editor.operations.relationshiptemplate.inputs.SetRelationshipPropertyAsInputOperation;
  import org.alien4cloud.tosca.editor.processors.relationshiptemplate.AbstractRelationshipProcessor;
  import org.alien4cloud.tosca.model.Csar;
  import org.springframework.stereotype.Component;
  
  import org.alien4cloud.tosca.model.definitions.FunctionPropertyValue;
  import org.alien4cloud.tosca.model.types.RelationshipType;
  import org.alien4cloud.tosca.model.definitions.PropertyDefinition;
  import org.alien4cloud.tosca.model.templates.NodeTemplate;
  import org.alien4cloud.tosca.model.templates.RelationshipTemplate;
  import org.alien4cloud.tosca.model.templates.Topology;
  import alien4cloud.tosca.context.ToscaContext;
  import org.alien4cloud.tosca.normative.constants.ToscaFunctionConstants;
  import lombok.extern.slf4j.Slf4j;
  
  /**
   * Associate the property of a node's relationship to an input.
   */
  @Slf4j
  @Component
  public class SetRelationshipPropertyAsInputProcessor extends AbstractRelationshipProcessor<SetRelationshipPropertyAsInputOperation> {
      @Override
      protected void processRelationshipOperation(Csar csar, Topology topology, SetRelationshipPropertyAsInputOperation operation, NodeTemplate nodeTemplate,
                                                  RelationshipTemplate relationshipTemplate) {
          PropertyDefinition inputPropertyDefinition = getOrFail(topology.getInputs(), operation.getInputName(), "Input {} not found in topology",
                  operation.getInputName());
  
          RelationshipType relationshipType = ToscaContext.get(RelationshipType.class, relationshipTemplate.getType());
          PropertyDefinition relationshipPropertyDefinition = getOrFail(relationshipType.getProperties(), operation.getPropertyName(),
                  "Property {} do not exist for relationship {} of node {}", operation.getPropertyName(), operation.getRelationshipName(),
                  operation.getNodeName());
  
          // Check that the property definition of the input is indeed compatible with the property definition of the capability.
          inputPropertyDefinition.checkIfCompatibleOrFail(relationshipPropertyDefinition);
  
          FunctionPropertyValue getInput = new FunctionPropertyValue();
          getInput.setFunction(ToscaFunctionConstants.GET_INPUT);
          getInput.setParameters(Arrays.asList(operation.getInputName()));
          relationshipTemplate.getProperties().put(operation.getPropertyName(), getInput);
  
          log.debug("Associate the property [ {} ] of relationship template [ {} ] of node [ {} ] to an input of the topology [ {} ].", operation.getPropertyName(),
                  operation.getRelationshipName(), operation.getNodeName(), topology.getId());
      }
  }